Garden Building planning permission examples — what gets approved & refused
66,839 real decisions from 288 UK councils. See what actually gets approved, what gets refused, and why — so you don’t waste thousands on drawings for something your council will reject.
Last updated: September 2026
Category-level approval rates for these examples are currently withheld while we re-check how decisions are sorted into project types. Each decision below is a real record from the council’s own planning portal and links to it. Council-level approval rates are unaffected and remain on the council pages.
66,839
Decisions
54,891
Approved
11,948
Refused
288
Councils
Garden rooms, offices, studios, and outbuildings have surged in popularity. Many fall within permitted development, but applications near boundaries or in conservation areas typically need planning permission.
⚠️ These are national examples. Your council could be stricter — or more lenient. See what actually gets approved on your street →
Real garden building decisions
Real examples showing what works — and what gets refused. Use the filters to compare approved and refused applications.
Approved
The building of a blockwork garden studio (which will then be clad in timber) with flat roof at rear of garden. No higher than 2.5m and measuring 6m x 3.5m in size.
Approved
Demolition of flat roof single storey timber and concrete structure with attached single storey flat roof brick outbuilding with large single span steel framed building clad with metal profiled side sheeting and fibre cement roof sheets
24/0127/HHOPDC
Approved
Loft conversion with rear dormer and 2 front skylights; 3m single-storey rear extension with a flat roof; and 2.5m single-storey outbuilding.
Approved
Prior notification for single storey extension for a garden room, measuring 3.37m metres beyond the rear wall; 3.6m in height from ground level; 3.0m metres in height to eaves from ground
Approved
Steel portal frame agricultural store/ workshop with metal profiled sheet cladding and roller shutter door with oak framed and traditional slate roofed open parking bay to front elevation for agricultural vehicles to match adjacent existing outbuilding.
Approved
T1: Cedar - 2m clearance from the summerhouse roof. T2: Yew - Crown reduction of 2m.
Approved
Pitched roof to existing flat roof over garage and garden room
Approved
Works to trees within Bacup Town Centre Conservation Area - Pussy Willow x2 - Cut back trees to provide a 2m clearance from building and outbuilding
Approved
Certificate of Lawfulness (Proposed) Alterations to Existing Dwelling to Form Open-Plan Kitchen / Dining / Garden Room and Utility Room, with New Roof Over
Approved
Yew Tree - current canopy 10m reduce by 1 to 1.5m, horizontally, to provide clearance from outbuilding within the curtilidge of a listed building.
24/00177/FULL
Approved
Refurbishment works comprising: (i) raising of the second floor roof and replacement roof covering; (ii) the construction of a replacement garden room; (iii) installation of replacement windows and bi-fold glazing; (iv) installation of double glazing to windows in the lightwell; (v) the installation
Approved
T018, Oak: Tree has failed on to storage shed and pipe work - Dismantle & remove to ground level. T019, Ash: Fell. G001, comprised of six Sycamore, five Hazel and four Ash: Crown lift trees over the outbuilding roof and shed roof to achieve a minimum of 2 metre clearance.
Approved
Tree A Oak - crown lift to 5mTree B Oak - current height and spread approximately 13m, reduce back by 3m over outbuilding and 2.5m on east facing canopy. No change to height.
Approved
CERTIFICATE OF LAWFUL DEVELOPMENT FOR EXISTING SINGLE STOREY EXTENSION AND DETACHED OUTBUILDING AT REAR
Approved
Change of use from C3 dwelling to C4 6 bed, 6 person HMORear dormer loft conversion and front velux rooflights, conversion of existing attached rear outbuilding, to form part of the internal layout of the building
Approved
Application for Listed Building Consent - Alterations and extensions, and erection of detached garden store, following demolition of existing outbuilding.
Approved
Works to 1 no. Beech tree to crown reduce by 2m, crown lift by 1m above the adjacent outbuilding and to reduce lateral limb by 1.5m, as situated in the Dyrham conservation area.
Approved
1 - Leylandii Tree - Remove to stumpReasons:a) Obliterates Sun from 1200 to evening to the rear gardens of 22, 24 & 26 Vicarage Road, TQ2 6HX (to the north of the tree).b) Drops excessive pines onto garden building of 24 Vicarage Road and kills sedum roofing.c) The tree is unsightly and untamed.2 -
Approved
T1, Oak - Reduce crown by approx 2m to points of previous pruning.Walnut - Minor crown reduction of up to 1m to containgrowth.Amelanchier - Reduce to points of previous pruning, approx 2m.cut back from neighbouring property and crown lift to 2.5mover outbuilding.
Approved
Article 18 consultation from Rossendale Council (ref. 2017/0113) - Demolition of existing dwelling and outbuildings, and construction of new nine-bedroomed dwelling, with associated access and landscaping works
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12/199/APN
Approved
Replace the roof and increase the wall height of 2 existing outbuildings
Approved
Reduction in height of 1 no. Yew from 9m to 4m. Reduction of sides of the crown to take clear of neighbouring outbuilding and to make a satisfactory shape of crown, outer branches are dying from lack of management so also require reduction.
240977/DPP
Approved
Conversion of existing garage outbuilding to form self-contained ancillary annex accommodation, including installation of new windows, rooflights and cladding
Approved
Prior notification of a single storey extension to existing outbuilding.
Approved
Non-material amendment on planning permission 26/00266/HOU (Demolition of the existing lean-to kitchen extension and outbuildings and the construction of a new replacement kitchen over the existing building footprint) to incorporate a window on rear elevation
Approved
Article 18 consultation from Salford City Council in respect of PA/2025/0375 (Listed Building Consent for repairing the elements of the building that require conservation and improvements to security and MEP systems. The works comprise, replacing windows with a form more closely resembling the origi
Refused
Erection of a 1.8m high wooden fence/gate and erection of an outbuilding to side elevation.
Refused
Re-cladding and re-roofing of existing outbuildings, including partial demolition and extension, additional doors, windows and rooflights and raise eaves height of one of the outbuildings to accommodate the revised roof structure and improve internal space. Installation of PVs.
Refused
Details pursuant to the Discharge of Condition 5 (Detailed Drawings) and Condition 8 (Details of Windows) of Listed Building Consent 23/01394/LBC (Listed Building Consent for renovation works to include replacement/alterations to windows and doors; erection of a replacement porch and secondary area
Approved
Section 192 Application for a Certificate of Lawfulness for the proposed installation of a Garden Studio (5100mm x 9650mm & 1828.8mm flyover roof) together with decking beneath ramped access to be used for the purpose of education (Class D1 Non-Residential Institution)
20/00526/FUL
Approved
Change of use of shipping container from storage to summer house with full amenities ancillary to existing dwelling house
Approved
Prior Notification: Erection of hay barn to replace existing outbuildings (Amend
Approved
LISTED BUILDING CONSENT: Conversion of former horse gin and demolition and replacement of corrugated steel outbuilding to form single dwellinghouse (amended plans 07.09.2020, 30.09.2020, 08.12.2020) (amended description 18.12.2020)
21/01465/NMA
Approved
Non material amendment sought to planning permission ref 21/00206/FUL for installation of bi-fold doors and change of use of outbuilding to storage and garden room
Approved
G1 - Bay (x3 trees forming one canopy) - Remove x 1 lowest branch extending over the garden building and reduce remaining trees in height from approximately 2.5m. Current estimated height 10m leaving at 8m.The trees have been heavily pollarded in the past and now have extensive regrowth which needs
Approved
Certificate of Lawfulness of Proposed Development for the erection of a single storey outbuilding
22/00696/FUL
Approved
Outbuilding within domestic curtilage to form detached annex residential accommodation
Approved
Listed Building Consent for the construction of a garden room and bike store in the rear garden and the installation of a new front gate at 262 Dacre Park, SE13.
Refused
Retrospective application for an outbuilding and raised deck to rear of detached residential property.
Refused
NON MATERIAL AMENDMENT TO PLOT 15 ON APPLICATION 2019/0207/FUL (12 NO. NEW APARTMENTS AND 8 NO DETACHED DWELLINGS WITH ASSOCIATED ACCESS ROADS AND CAR PARKING PROVISION) - GARDEN ROOM TO REAR
Refused
Full Planning Application for One Self-Build 4-Bedroom Dwelling, Garage and Stables/outbuildings. (Amended description 26.01.2026, amended location plan 23.02.2026)
10/01180/FUL
Refused
Retention of single storey outbuilding to rear of back garden and change of use to nail salon/health and beauty use.
Refused
Certificate of lawfulness (proposed) for erection of a single storey garden office.
Approved
Alteration and conversion of outbuildings to holiday letting accommodation and installation of new septic tank (revised)
Approved
Lawful Development Certificate For The Erection Of A Proposed Outbuilding.
Approved
Alterations to garage to form garden room with raised decking and screening
Approved
Change of use from agricultural land to domestic garden and retention of garden shed
Approved
Refurbishment of outbuildings for additional teaching accommodation and parking
Approved
Former Somerton House Hotel and outbuildings to be fully demolished
Approved
Conversion of outbuilding from agricultural use to a flexible use within Commercial/Business/Service (Class E)
Refused
Installation of Replacement Windows and Erection of Garden Shed (Retrospective)
Refused
Certificate of lawfulness for proposed internal changes of the outbuilding from home office/garden room to home office/garden room/holiday let.
Refused
Erection Of Summer House With Storage Area In Roof Space (Retrospective)
Refused
Change of use and extension to outbuilding to dwellinghouse with associated parking and garden ground
Refused
Lawful development certificate for outbuilding in rear garden
Refused
Change of use from garden room to short term let and formation of access
Refused
Conversion of redundant outbuilding to provide annex accommodation.
Refused
Proposed extensions to dwelling and garage and proposed garden shed - approved under H13-1311-21. Amendments to dimensions of single storey extension & garage extension
Refused
Erection of garden office to the rear of the property (Retrospective)
12/00618/APP
Refused
Erection of summerhouse within garden ground
Related guides
Garden room planning permission guideBefore you spend £2,000+ on drawings — and risk getting refused
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